







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Wellborn Windows & Doors: The San Francisco Owner’s Guide
If you have a Wellborn window or door that’s binding, leaking, or failing to lock, we can match the part to your specific unit and install it. A Wellborn-compatible window replacement in San Francisco typically runs $5,310 – $17,700 installed, while individual hardware and component swaps like balances, rollers, or weatherstripping usually land between $150 and $900 depending on the part and access. Most component-level repairs are done in one visit, since we arrive with the Wellborn-specific hardware already identified. The way most owners discover a problem is simple: the window starts sticking in wet weather, a door won’t latch cleanly after a temperature swing, or condensation builds between the glass panes overnight during a fog cycle.
Which Wellborn Models This Applies To

Wellborn’s cabinetry line is better known than their window and door offering, but the company has produced residential units across several series, including vinyl and thermally-broken aluminum frames sold through regional distributors. The part-matching process matters more than the marketing name on the sticker. We start with the manufacturer label, usually etched on the head jamb or the edge of the sash. That label carries the unit’s size, glass spec, and production date code. Then we measure the sash, the balance channel, the roller diameter if it’s a slider, and the keeper spacing. If you have a double-hung, the balance type is the first thing to get right: Wellborn units have been built with both block-and-tackle and spiral balances depending on the year and series, and they do not interchange.
OEM Wellborn components are the right call when the part is warranty-adjacent or the unit is under 10 years old. After that, a quality aftermarket balance, roller assembly, or lock set from a supplier with machined tolerances that match your dimensions is often more available and less expensive than tracking down a discontinued OEM part through a distributor that no longer stocks it. We’ll show you both options with real numbers before anything gets ordered.
Styles & brands we work with







Signs Your Wellborn Windows & Doors Are Failing
- The sash is hard to lift or won’t stay up. The balance system has lost tension, or a block-and-tackle cartridge has snapped internally. You’ll feel it most on the second or third lift of the day, not the first.
- Visible daylight around the weatherstripping or frame. The original seals have compressed past recovery, or the sash has settled out of square. San Francisco’s damp air accelerates vinyl seal compression, especially on west-facing openings.
- Condensation or haze between the panes. The insulated glass unit’s edge seal has failed. Replacement is the only real fix. The glass is now two panes with an insulating gas layer that’s been compromised by moisture.
- The lock or keeper won’t engage without forcing it. The sash has shifted, or the original hardware has worn its mating surfaces smooth. Forcing it only bends the keeper further out of alignment.
- Water staining on the interior sill after rain. The weep system is clogged, or the pan flashing has failed. On older Wellborn sliders, we see this most often when debris blocks the track drains and water finds the path of least resistance into the wall cavity.
See the difference
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After
Before
After
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AfterReplacement Cost & What’s Included

For a full Wellborn window replacement in San Francisco, expect $5,310 – $17,700 depending on unit size, frame material, glass package, and how much finish work the opening requires. Component-level repairs are far less: balances run $150 – $450 per sash installed, roller assemblies $200 – $600 per panel, weatherstripping kits $120 – $380 per opening, and insulated glass replacement $450 – $1,400 per pane depending on dimensions and low-E treatment.
Every price includes the part, labor, removal of the old component, and a written scope before work starts. You’ll get the number before we touch the window, and the written price does not move at the door. If the fixed part fails within one year, the 365-Day Done Right Promise applies: we return at no charge and correct it. That’s The Garrison Standard, and it’s in writing.
DIY or Call Us?
You can safely check a few things yourself. Confirm the label and photograph it. Note whether the problem is worse on one side of the sash. Check for obvious debris in the track. Those observations save us a step. What you should not do is remove a balance cartridge under tension or try to force a stuck sash open with a pry bar. A balance that releases wrong will take a chunk out of the jamb or your hand. Same caution applies to any insulated glass unit removal: the frame tolerances are tight, and a cracked thermal pane in a San Francisco fog belt room is a wet carpet waiting to happen.
If you want it done once, with the right part and a one-year written guarantee, call (831) 610-5598. We’ll match the component, quote it straight, and schedule the visit.
FAQs

A Wellborn vinyl or aluminum unit in San Francisco typically lasts 20 – 30 years for the frame, but the moving components like balances and rollers usually need replacement every 10 – 15 years. West-facing units in the Outer Richmond and Sunset take more salt air and fog moisture, which shortens hardware life noticeably compared to units on the city’s east side. Call (831) 610-5598 and we’ll assess your specific openings.
Balances, rollers, locks, and weatherstripping are routinely repaired or replaced as individual components. Insulated glass with a failed seal cannot be repaired, but the glass unit itself can be swapped without replacing the entire frame. We’ll tell you which category your window falls into before any work is scheduled.
Most component replacements take 45 – 90 minutes per window or door once the correct part is in hand. If we need to order a less common balance or a custom insulated glass unit, the lead time is typically 3 – 10 business days in San Francisco. We’ll give you the timeline in writing with the quote.
We stock common block-and-tackle balances, spiral balance tubes, roller assemblies for sliders, multi-point lock sets, and weatherstripping profiles for Wellborn and other premium brands including KraftMaid, Cambria, and Silestone. If your part isn’t on the truck, we identify it on the first visit and have it ordered by the next business day. Call (831) 610-5598 for a free estimate and we’ll confirm availability.
Written by Curtis Lane, Owner, Bradford Remodeling Co – San Francisco, CA at Bradford Remodeling Co San Francisco, serving San Francisco and nearby areas.


